Question: What fluid compartment includes all water and electrolytes inside a cell?
Answer Choices: A‑ Intracellular B‑ Extracellular C‑ Interstitial D‑ Plasma
Answer: A Intracellular
Question: Which of the following is correct regarding the pH scale?
Answer Choices: A. pH 3 is 10× more alkaline than pH 4. B. pH 3 is 10× more acidic than pH 4. C. pH 3 is 2× more alkaline than pH 4. D. pH 3 is 2× more acidic than pH 4.
Answer: B. A substance with pH 3 is 10 times more acidic than one with pH 4.
Question: During inhalation…
Answer Choices: A‑ Air moves low→high pressure B‑ Ribcage lowers C‑ Thoracic volume decreases D‑ Diaphragm moves downward
Answer: D Diaphragm moves downward
Question: When an insurer uses age, model, and mileage to set auto premiums, which variable is dependent?
Answer Choices: Model Age Mileage Insurance premium
Answer: Insurance premium
Question: Which of the following is 3 8 ÷ 5 12 8 3÷ 12 5?
Answer Choices: A‑ 5/32 B‑ 2/5 C‑ 9/10 D‑ 10/9
Answer: C 9/10
Question: To determine the insurance premium of a car, an insurance company considers the age of the car, the model of the car, and the mileage of the car. Which of the following is the dependent variable?
Answer Choices: A. Model B. Age C. Mileage D. Insurance premium
Answer: D. Insurance premium
Question: A scientist’s prediction that germinating beans use more O₂ is a…
Answer Choices: A‑ Hypothesis B‑ Conclusion C‑ Observation D‑ Data collection
Answer: A Hypothesis
Question: A vasectomy leads to infertility because it…
Answer Choices: A‑ Blocks sperm from epididymis to urethra B‑ Blocks sperm from ejaculatory duct to bulbourethral gland C‑ Blocks sperm from prostate to bulbourethral gland D‑ Blocks sperm from testis to epididymis
Answer: A Blocks epididymis → urethra
Question: Why does water form a concave meniscus in glass?
Answer Choices: Adhesive forces with glass > cohesive forces Cohesive > adhesive Glass denser than water Water denser than glass
Answer: The adhesive forces with the glass are greater than the cohesive forces.
Question: Why does a vasectomy lead to infertility?
Answer Choices: A. It blocks movement of sperm from the epididymis into the urethra. B. It blocks sperm from the ejaculatory duct into the bulbourethral gland. C. It blocks sperm from the prostate to the bulbourethral gland. D. It blocks sperm from a testis into the epididymis.
Answer: A. It blocks movement of sperm from the epididymis into the urethra.
Question: What fluid compartment includes all water and electrolytes in a cell?
Answer Choices: A. Intracellular B. Extracellular C. Interstitial D. Plasma
Answer: A. Intracellular
Question: A mileage function gives (6, 144). What does this ordered pair mean?
Answer Choices: A‑ 144 miles with 6 gallons B‑ 24 miles in 1 hour C‑ 144 miles in 6 hours D‑ 6 miles with 144 gallons
Answer: A 144 miles with 6 gallons
Question: Which substance is excreted in sweat after protein breakdown?
Answer Choices: A‑ Lysozymes B‑ Urea C‑ Water D‑ Sebum
Answer: B Urea
Question: A pudding recipe for 50 people calls for 4 cups of sugar. Each bag of sugar contains 6 cups. How many bags of sugar are needed for 300 people?
Answer Choices: A‑ 4 bags B‑ 13 bags C‑ 24 bags D‑ 8 bags
Answer: A 4 bags
Question: Water forms a concave meniscus in glass because…
Answer Choices: A‑ Adhesive > cohesive forces B‑ Cohesive > adhesive forces C‑ Glass is denser than water D‑ Water is denser than glass
Answer: A Adhesive > cohesive